{
  "package" : "hl7.terminology@6.3.0",
  "definition" : "Unknown",
  "system" : "http://terminology.hl7.org/CodeSystem/missingtoothreason",
  "property" : [ ],
  "codesystem" : "72a73b7d-f540-5cee-81a5-953e3e0876ee",
  "concept_id" : "a74b5d00-5e38-5676-ab53-bbc178bd3ee5",
  "ancestors" : {
    "u" : 0
  },
  "id" : "6875f2ff-9614-4865-aaaa-31843bcbbea6",
  "code" : "u",
  "display" : "U",
  "version" : "1.0.1"
}